The inclusion of non-linearities in a mathematical model for U-Oscillating Water Column wave energy converters

Pietro Scandura, Giovanni Malara and Felice Arena

Energy, 2021, vol. 218, issue C

Abstract: A mathematical model for U-Oscillating Water Column (U-OWC) wave energy converters is developed and tested. The model is based on the linear irrotational wave theory but is able to treat different nonlinearities related to the physical processes involved in the U-OWC dynamics. These nonlinearities include those due to not small oscillations of the free surface in the air chamber and to the air transformation, as well as those related to the characteristics of the air turbine. An approach to include into the model the flow resistances encountered by the flow within the U-OWC is also presented.

Keywords: Wave energy; U-Oscillating Water Column; Eigenfunction expansion-matching method; Non linear model (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:218:y:2021:i:c:s0360544220324270

DOI: 10.1016/j.energy.2020.119320

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